Question 1

Is Proprietors of the Social Law Library a tax-exempt 501(c)(3)?

Accepted Answer

Yes — Proprietors of the Social Law Library is recognised by the IRS as a 501(c)(3) organisation (EIN 04-2104850). The IRS recognised Proprietors of the Social Law Library as tax-exempt in September 1939.

Question 2

What is Proprietors of the Social Law Library's EIN?

Accepted Answer

Proprietors of the Social Law Library's Employer Identification Number (EIN) is 04-2104850. The EIN was assigned by the IRS in September 1939. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does Proprietors of the Social Law Library do?

Accepted Answer

To provide research facilities to members and to the judicial, executive, and legislative branches of the Massachusetts government.

Question 4

Where is Proprietors of the Social Law Library located?

Accepted Answer

Proprietors of the Social Law Library is located at One Pemberton SQ 4100, Boston, MA, 02108.

Question 5

When was Proprietors of the Social Law Library founded or recognised by the IRS?

Accepted Answer

Proprietors of the Social Law Library was recognised by the IRS as a tax-exempt organisation in September 1939. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is Proprietors of the Social Law Library's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2023), Proprietors of the Social Law Library reported $6.6M in total revenue and $6.0M in total expenses.

Question 7

Has Proprietors of the Social Law Library been auto-revoked by the IRS?

Accepted Answer

No — Proprietors of the Social Law Library (EIN 04-2104850) does not appear on the IRS Auto-Revocation List. Givalgo Discover cross-references the IRS Auto-Revocation List on every profile load; if status changes, this page reflects it.

Question 8

Is Proprietors of the Social Law Library listed in IRS Publication 78?

Accepted Answer

Yes — Proprietors of the Social Law Library is listed in IRS Publication 78 as an organisation eligible to receive tax-deductible charitable contributions. Pub 78 status is the canonical IRS signal that donations to an org are deductible.

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Proprietors of the Social Law Library

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